The World Health Organization recommends that all pregnant women receive at least four antenatal care (ANC) visits, and that the first such visit should be in the first trimester of pregnancy
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/one-seven-women-do-not-get-pregnancy-care-national-family-health-survey
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/business-standard-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/women
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-care
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/who
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hypertension-blood-pressure
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diabetes
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health